Finding the Fourth Proportional to 270,159.51, 405,239.26 and 103,908.63
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Solution
The fourth proportional to 270,159.51, 405,239.26 and 103,908.63 is: 155,862.94
Step by Step Solution
- Step 1: Write the proportion equation
270,159.51 : 405,239.26 = 103,908.63 : x - Step 2: Convert to fraction form
270,159.51/405,239.26 = 103,908.63/x - Step 3: Cross multiply
270,159.51x = 405,239.26 × 103,908.63 - Step 4: Simplify right side
270,159.51x = 42,107,856,328.81 - Step 5: Solve for x
x = 42,107,856,328.81/270,159.51 - Step 6: Final answer
x = 155,862.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.